

package com.hazelcast.internal.config.yaml;

import com.hazelcast.internal.yaml.YamlMapping;
import org.w3c.dom.DOMException;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

import static com.hazelcast.internal.config.yaml.W3cDomUtil.asW3cNode;
import static com.hazelcast.internal.config.yaml.YamlOrderedMappingImpl.asOrderedMapping;

/**
 * Class adapting {@link YamlMapping} to {@link NamedNodeMap}
 *
 * @see YamlOrderedMapping
 */
class NamedNodeMapAdapter implements NamedNodeMap {
    private final YamlOrderedMapping yamlMapping;

    NamedNodeMapAdapter(YamlMapping yamlMapping) {
        this.yamlMapping = asOrderedMapping(yamlMapping);
    }

    @Override
    public Node getNamedItem(String name) {
        return asW3cNode(yamlMapping.child(name));
    }

    @Override
    public Node setNamedItem(Node arg) throws DOMException {
        throw new UnsupportedOperationException();
    }

    @Override
    public Node removeNamedItem(String name) throws DOMException {
        throw new UnsupportedOperationException();
    }

    @Override
    public Node item(int index) {
        return asW3cNode(yamlMapping.child(index));
    }

    @Override
    public int getLength() {
        return yamlMapping.childCount();
    }

    @Override
    public Node getNamedItemNS(String namespaceURI, String localName) throws DOMException {
        throw new UnsupportedOperationException();
    }

    @Override
    public Node setNamedItemNS(Node arg) throws DOMException {
        throw new UnsupportedOperationException();
    }

    @Override
    public Node removeNamedItemNS(String namespaceURI, String localName) throws DOMException {
        throw new UnsupportedOperationException();
    }
}
